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Conversely, depending on how effectively their body absorbs nicotine from vapor, a person who vapes 2 milliliters of 25 milligrams per milliliter of nicotine salt every day may be absorbing the equivalent of a half-pack to a whole pack of cigarettes

Safety is prioritized with certifications including RoHS, CE, and FCC

So I think theres an irreversible norm change, Ribisl says

Because where there are many uncontrolled variables and people are doing other behaviors besides smoking, you dont know if diet or exercise level or weight control might also be having an impact on these people, especially where something like smoking may also impact those behaviors, Cutler explained